.a{
	background-image: url('../imgs/背景3.png');
	height: 760px;
	width: 100%
}
.b{
	border-radius:10px;
	background-color: white;
	width: 850px;
	height: 600px;
	margin-left: 350px;
	margin-top: 30px;
}
p{
	color: gray;
}
.c{
	text-align: center;
	font-size: 40px;
	padding-top: 50px;
}
.d{
	padding-top: 20px;
	width: 80%;
	padding-left: 80px;
}
.e{
	font-size: 15px;
	padding-top: 20px;
	padding-left: 80px;
}
.f{
	padding-top: 30px;
	padding-left: 80px;
	font-size: 20px;
}
.g{
	padding-left: 80px;
	font-size: 15px;
}
.h{
	padding-top: 20px;
	padding-left: 80px;
	font-size: 14px;
	line-height: 20px;
}